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From: Sebastian Huber <sh@sourceware.org> To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] shm_open2: Implement SHM_GROW_ON_WRITE Date: Mon, 11 Jul 2022 11:52:04 +0000 (GMT) [thread overview] Message-ID: <20220711115204.38E65385415D@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c95c267a461475c6c2bac5c3f23c567e5360589c commit c95c267a461475c6c2bac5c3f23c567e5360589c Author: Kyle Evans <kevans@FreeBSD.org> Date: Fri Jul 10 00:43:45 2020 +0000 shm_open2: Implement SHM_GROW_ON_WRITE Lack of SHM_GROW_ON_WRITE is actively breaking Python's memfd_create tests, so go ahead and implement it. A future change will make memfd_create always set SHM_GROW_ON_WRITE, to match Linux behavior and unbreak Python's tests on -CURRENT. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D25502 Diff: --- newlib/libc/sys/rtems/include/sys/mman.h | 1 + 1 file changed, 1 insertion(+) diff --git a/newlib/libc/sys/rtems/include/sys/mman.h b/newlib/libc/sys/rtems/include/sys/mman.h index 7a9b49429..99c1eb8b3 100644 --- a/newlib/libc/sys/rtems/include/sys/mman.h +++ b/newlib/libc/sys/rtems/include/sys/mman.h @@ -190,6 +190,7 @@ * shmflags for shm_open2() */ #define SHM_ALLOW_SEALING 0x00000001 +#define SHM_GROW_ON_WRITE 0x00000002 /* * Flags for memfd_create().
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